515f92d03b
"ALL IS GOOD" was a lie. In particular, removes verbose "path not recognized" false positive. The actual logic is to (somewhat naively) check all ResourceFormatLoaders and to pick the first good match, so no need to warn about the formats that do not match the type hint.
353 lines
10 KiB
C++
353 lines
10 KiB
C++
/*************************************************************************/
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/* resource_loader.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "resource_loader.h"
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#include "global_config.h"
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#include "os/file_access.h"
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#include "os/os.h"
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#include "path_remap.h"
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#include "print_string.h"
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ResourceFormatLoader *ResourceLoader::loader[MAX_LOADERS];
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int ResourceLoader::loader_count = 0;
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Error ResourceInteractiveLoader::wait() {
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Error err = poll();
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while (err == OK) {
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err = poll();
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}
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return err;
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}
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bool ResourceFormatLoader::recognize_path(const String &p_path, const String &p_for_type) const {
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String extension = p_path.get_extension();
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List<String> extensions;
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if (p_for_type == String()) {
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get_recognized_extensions(&extensions);
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} else {
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get_recognized_extensions_for_type(p_for_type, &extensions);
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}
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for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
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if (E->get().nocasecmp_to(extension) == 0)
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return true;
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}
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return false;
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}
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void ResourceFormatLoader::get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const {
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if (p_type == "" || handles_type(p_type))
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get_recognized_extensions(p_extensions);
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}
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void ResourceLoader::get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) {
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for (int i = 0; i < loader_count; i++) {
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loader[i]->get_recognized_extensions_for_type(p_type, p_extensions);
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}
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}
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void ResourceInteractiveLoader::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_resource"), &ResourceInteractiveLoader::get_resource);
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ClassDB::bind_method(D_METHOD("poll"), &ResourceInteractiveLoader::poll);
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ClassDB::bind_method(D_METHOD("wait"), &ResourceInteractiveLoader::wait);
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ClassDB::bind_method(D_METHOD("get_stage"), &ResourceInteractiveLoader::get_stage);
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ClassDB::bind_method(D_METHOD("get_stage_count"), &ResourceInteractiveLoader::get_stage_count);
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}
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class ResourceInteractiveLoaderDefault : public ResourceInteractiveLoader {
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GDCLASS(ResourceInteractiveLoaderDefault, ResourceInteractiveLoader);
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public:
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Ref<Resource> resource;
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virtual void set_local_path(const String &p_local_path) { /*scene->set_filename(p_local_path);*/
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}
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virtual Ref<Resource> get_resource() { return resource; }
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virtual Error poll() { return ERR_FILE_EOF; }
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virtual int get_stage() const { return 1; }
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virtual int get_stage_count() const { return 1; }
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ResourceInteractiveLoaderDefault() {}
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};
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Ref<ResourceInteractiveLoader> ResourceFormatLoader::load_interactive(const String &p_path, Error *r_error) {
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//either this
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Ref<Resource> res = load(p_path, p_path, r_error);
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if (res.is_null())
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return Ref<ResourceInteractiveLoader>();
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Ref<ResourceInteractiveLoaderDefault> ril = Ref<ResourceInteractiveLoaderDefault>(memnew(ResourceInteractiveLoaderDefault));
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ril->resource = res;
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return ril;
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}
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RES ResourceFormatLoader::load(const String &p_path, const String &p_original_path, Error *r_error) {
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String path = p_path;
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//or this must be implemented
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Ref<ResourceInteractiveLoader> ril = load_interactive(p_path, r_error);
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if (!ril.is_valid())
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return RES();
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ril->set_local_path(p_original_path);
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while (true) {
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Error err = ril->poll();
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if (err == ERR_FILE_EOF) {
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if (r_error)
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*r_error = OK;
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return ril->get_resource();
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}
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if (r_error)
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*r_error = err;
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ERR_FAIL_COND_V(err != OK, RES());
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}
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return RES();
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}
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void ResourceFormatLoader::get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types) {
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//do nothing by default
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}
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///////////////////////////////////
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RES ResourceLoader::load(const String &p_path, const String &p_type_hint, bool p_no_cache, Error *r_error) {
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if (r_error)
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*r_error = ERR_CANT_OPEN;
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String local_path;
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if (p_path.is_rel_path())
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local_path = "res://" + p_path;
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else
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local_path = GlobalConfig::get_singleton()->localize_path(p_path);
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ERR_FAIL_COND_V(local_path == "", RES());
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if (!p_no_cache && ResourceCache::has(local_path)) {
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if (OS::get_singleton()->is_stdout_verbose())
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print_line("load resource: " + local_path + " (cached)");
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return RES(ResourceCache::get(local_path));
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}
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if (OS::get_singleton()->is_stdout_verbose())
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print_line("load resource: " + local_path);
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bool found = false;
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// Try all loaders and pick the first match for the type hint
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for (int i = 0; i < loader_count; i++) {
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if (!loader[i]->recognize_path(local_path, p_type_hint)) {
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continue;
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}
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found = true;
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RES res = loader[i]->load(local_path, local_path, r_error);
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if (res.is_null()) {
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continue;
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}
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if (!p_no_cache)
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res->set_path(local_path);
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#ifdef TOOLS_ENABLED
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res->set_edited(false);
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if (timestamp_on_load) {
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uint64_t mt = FileAccess::get_modified_time(local_path);
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//printf("mt %s: %lli\n",remapped_path.utf8().get_data(),mt);
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res->set_last_modified_time(mt);
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}
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#endif
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return res;
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}
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if (found) {
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ERR_EXPLAIN("Failed loading resource: " + p_path);
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} else {
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ERR_EXPLAIN("No loader found for resource: " + p_path);
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}
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ERR_FAIL_V(RES());
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return RES();
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}
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Ref<ResourceInteractiveLoader> ResourceLoader::load_interactive(const String &p_path, const String &p_type_hint, bool p_no_cache, Error *r_error) {
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if (r_error)
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*r_error = ERR_CANT_OPEN;
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String local_path;
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if (p_path.is_rel_path())
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local_path = "res://" + p_path;
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else
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local_path = GlobalConfig::get_singleton()->localize_path(p_path);
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ERR_FAIL_COND_V(local_path == "", Ref<ResourceInteractiveLoader>());
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if (!p_no_cache && ResourceCache::has(local_path)) {
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if (OS::get_singleton()->is_stdout_verbose())
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print_line("load resource: " + local_path + " (cached)");
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Ref<Resource> res_cached = ResourceCache::get(local_path);
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Ref<ResourceInteractiveLoaderDefault> ril = Ref<ResourceInteractiveLoaderDefault>(memnew(ResourceInteractiveLoaderDefault));
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ril->resource = res_cached;
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return ril;
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}
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if (OS::get_singleton()->is_stdout_verbose())
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print_line("load resource: ");
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bool found = false;
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for (int i = 0; i < loader_count; i++) {
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if (!loader[i]->recognize_path(local_path, p_type_hint))
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continue;
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found = true;
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Ref<ResourceInteractiveLoader> ril = loader[i]->load_interactive(local_path, r_error);
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if (ril.is_null())
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continue;
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if (!p_no_cache)
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ril->set_local_path(local_path);
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return ril;
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}
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if (found) {
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ERR_EXPLAIN("Failed loading resource: " + p_path);
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} else {
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ERR_EXPLAIN("No loader found for resource: " + p_path);
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}
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ERR_FAIL_V(Ref<ResourceInteractiveLoader>());
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return Ref<ResourceInteractiveLoader>();
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}
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void ResourceLoader::add_resource_format_loader(ResourceFormatLoader *p_format_loader, bool p_at_front) {
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ERR_FAIL_COND(loader_count >= MAX_LOADERS);
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if (p_at_front) {
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for (int i = loader_count; i > 0; i--) {
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loader[i] = loader[i - 1];
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}
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loader[0] = p_format_loader;
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loader_count++;
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} else {
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loader[loader_count++] = p_format_loader;
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}
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}
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void ResourceLoader::get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types) {
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String local_path;
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if (p_path.is_rel_path())
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local_path = "res://" + p_path;
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else
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local_path = GlobalConfig::get_singleton()->localize_path(p_path);
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for (int i = 0; i < loader_count; i++) {
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if (!loader[i]->recognize_path(local_path))
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continue;
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/*
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if (p_type_hint!="" && !loader[i]->handles_type(p_type_hint))
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continue;
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*/
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loader[i]->get_dependencies(local_path, p_dependencies, p_add_types);
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}
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}
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Error ResourceLoader::rename_dependencies(const String &p_path, const Map<String, String> &p_map) {
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String local_path;
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if (p_path.is_rel_path())
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local_path = "res://" + p_path;
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else
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local_path = GlobalConfig::get_singleton()->localize_path(p_path);
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for (int i = 0; i < loader_count; i++) {
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if (!loader[i]->recognize_path(local_path))
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continue;
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/*
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if (p_type_hint!="" && !loader[i]->handles_type(p_type_hint))
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continue;
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*/
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return loader[i]->rename_dependencies(local_path, p_map);
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}
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return OK; // ??
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}
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String ResourceLoader::get_resource_type(const String &p_path) {
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String local_path;
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if (p_path.is_rel_path())
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local_path = "res://" + p_path;
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else
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local_path = GlobalConfig::get_singleton()->localize_path(p_path);
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for (int i = 0; i < loader_count; i++) {
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String result = loader[i]->get_resource_type(local_path);
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if (result != "")
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return result;
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}
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return "";
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}
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ResourceLoadErrorNotify ResourceLoader::err_notify = NULL;
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void *ResourceLoader::err_notify_ud = NULL;
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DependencyErrorNotify ResourceLoader::dep_err_notify = NULL;
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void *ResourceLoader::dep_err_notify_ud = NULL;
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bool ResourceLoader::abort_on_missing_resource = true;
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bool ResourceLoader::timestamp_on_load = false;
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